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Table 3 Shear wave velocity profiles at JKM, MKM, and SNK

From: Ground motion estimation for the elevated bridges of the Kyushu Shinkansen derailment caused by the foreshock of the 2016 Kumamoto earthquake based on the site-effect substitution method

Thickness (m) Depth (m) Shear wave velocity (m/s)
(a) SNK
 3.8 3.8 130
 2.2 6.0 110
 2.5 8.5 210
 2.3 10.8 100
 11.1 21.9 180
 6.0 27.9 80
 4.4 32.3 130
 2.7 35.0 220
 – 550
(b) MKM
 4.0 4.0 140
 3.6 7.6 240
 3.5 11.1 190
 7.1 18.2 250
 5.2 23.4 100
 2.6 26.0 160
 – 550
(c) JKM
 2.8 2.8 120
 3.5 6.3 100
 3.5 9.8 230
 3.9 13.7 170
 6.1 19.8 200
 5.9 25.7 80
 4.9 30.6 110
 1.4 32.0 160
 – 450